[Seaside] Re: file upload

[cdrick]

>  > I wonder how this callback is trigger **at all**, if you don't declare
>  > the form as being multipart?
>  >
>  > Lukas
>  >
>
> Could you explain why it has to be part of a multipart form?  I hope the
>  answer is not too obvious :)

not too obvious (wasn't really aware of it) but documented in the
method ;) Searching is not so easy... to find the method I searched
for selectors containing multipart (cmd+shift+w), then (there are
some) I had to find the class where it's defined...
Google helped me too :)

WAForemTag>>multipart
	"Sets the content type used to submit the form to the server (when
the value of method is 'post') to multipart/form-data instead the
default application/x-www-form-urlencoded. This should be used in
combination with a WAFileUploadTag."
	self attributeAt: 'enctype' put: 'multipart/form-data'

more information here:
http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.2

"The content type "application/x-www-form-urlencoded" is inefficient
for sending large quantities of binary data or text containing
non-ASCII characters. The content type "multipart/form-data" should be
used for submitting forms that contain files, non-ASCII data, and
binary data."



Cédrick